.a {
    width: 80px;
    height: 35px;
    font-size: 25px;
    font-family: 华文行楷;
    vertical-align: middle;
    line-height: 35px;
}

.div {
    text-align: center;
}

.font {
    font-size: 25px;
    font-family: 华文行楷;
    color: pink;
}

.input {
    height: 30px;
}